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Old 06-11-2008, 11:04 PM   #5
Bob B.
Senior Member
 
Join Date: Aug 2005
Location: Los Angeles
Posts: 1,306
Re: 98 GMC ac/heater blower quit

What happens a lot on those is the motor housing becomes corroded on the inside. If you have power and ground, chances are pretty good this is the problem. Only real fix is a new blower motor.
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1967 GMC CM-2500 Camper Cruiser, 351E V-6, NP 435 4 speed, Dana 60, and factory A/C. 2012 GMC K-3500 WT regular cab, 6.0L Vortec, 6L90.
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